/*
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 * and open the template in the editor.
 */
package servlets;

import es.gestorusuarios.bd.GestorBD;
import es.gestorusuarios.correo.GestorMail;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.mail.MessagingException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Kar
 */
@WebServlet(name = "ResetPass", urlPatterns = {"/ResetPass"})
public class ResetPass extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");

        //recuperamos el correo
        String email = request.getParameter("email");
        
        //comprobamos que el email esta en la base de datos
        GestorBD gestor = new GestorBD();
        String login = gestor.existsEmail(email);
        if (login != null) {
            //aqui deberiamos generar una url no predecible y enviarsela al
            //correo del usuario. Además guardamos el link en la bd
            GestorMail gm = new GestorMail();
            try {
                //borramos si hay alguno pendiente
                gestor.removeRecuperarPassword(login);
                String link = gm.mandarLink(email, login);
                //le damos al link validez de un dia
                //gestor.addRecuperarPassword(login, link, System.currentTimeMillis() + 60000); //un minuto, para pruebas
                gestor.addRecuperarPassword(login, link, System.currentTimeMillis() + 86400000);
            } catch (MessagingException ex) {
                Logger.getLogger(ResetPass.class.getName()).log(Level.SEVERE, null, ex);
            }
            response.sendRedirect(response.encodeURL("resetPass.jsp?msg=2"));
        } else {
            response.sendRedirect(response.encodeURL("resetPass.jsp?msg=1"));
        }
    }
        

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
